port 1.20/1.12 branches up to 18/2/2026

dependencies.gradle

@@ -11,8 +11,8 @@ dependencies {
     jarJar(modApi(forge.configuration.get()))
 
     // Math Parser
-    jarJar(implementation(libs.mxparser.get()))
-    additionalRuntimeClasspath(libs.mxparser.get())
+    jarJar(implementation(libs.evalEx.get()))
+    additionalRuntimeClasspath(libs.evalEx.get())
 
     // Mixin (& Extras)
     annotationProcessor(variantOf(libs.mixin) { classifier("processor") })

gradle/libs.versions.toml

@@ -10,15 +10,15 @@ lombok = "8.14"
 jetbrains-annotations = "26.0.1"
 renderNurse = "0.0.12"
 mixin = "0.8.7"
-mxparser = "6.1.0"
+evalEx = "3.6.0"
 
 [libraries]
 minecraft               = { module = "com.mojang:minecraft", version.ref = "minecraft" }
 minecraftForge          = { module = "net.minecraftforge:forge", version.ref = "minecraftForge" }
 jetbrains-annotations   = { module = "org.jetbrains:annotations", version.ref = "jetbrains-annotations" }
 renderNurse             = { module = "net.neoforged:render-nurse", version.ref = "renderNurse" }
 mixin                   = { module = "org.spongepowered:mixin", version.ref = "mixin" }
-mxparser                = { module = "org.mariuszgromada.math:MathParser.org-mXparser", version.ref = "mxparser" }
+evalEx                  = { module = "com.ezylang:EvalEx", version.ref = "evalEx" }
 
 [plugins]
 modDevGradle            = { id = "net.neoforged.moddev.legacyforge", version.ref = "modDevGradle" }

src/main/java/com/gregtechceu/gtceu/GTCEu.java

@@ -21,7 +21,6 @@
 import me.shedaniel.rei.api.client.REIRuntime;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.mariuszgromada.math.mxparser.License;
 
 import java.nio.file.Path;
 
@@ -33,10 +32,6 @@ public class GTCEu {
     public static final String NAME = "GregTechCEu";
     public static final Logger LOGGER = LogManager.getLogger(NAME);
 
-    static {
-        License.iConfirmNonCommercialUse("GTCEu");
-    }
-
     public static final Path GTCEU_FOLDER = getGameDir().resolve("gtceu");
 
     public GTCEu() {

src/main/java/com/gregtechceu/gtceu/api/capability/recipe/FluidRecipeCapability.java

@@ -17,11 +17,11 @@
 import com.gregtechceu.gtceu.api.recipe.ui.GTRecipeTypeUI;
 import com.gregtechceu.gtceu.client.TooltipsHandler;
 import com.gregtechceu.gtceu.common.valueprovider.*;
-import com.gregtechceu.gtceu.integration.xei.entry.fluid.FluidEntryList;
-import com.gregtechceu.gtceu.integration.xei.entry.fluid.FluidStackList;
-import com.gregtechceu.gtceu.integration.xei.entry.fluid.FluidTagList;
-import com.gregtechceu.gtceu.integration.xei.handlers.fluid.CycleFluidEntryHandler;
-import com.gregtechceu.gtceu.integration.xei.widgets.GTRecipeWidget;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.fluid.FluidEntryList;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.fluid.FluidStackList;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.fluid.FluidTagList;
+import com.gregtechceu.gtceu.integration.recipeviewer.handlers.fluid.CycleFluidEntryHandler;
+import com.gregtechceu.gtceu.integration.recipeviewer.widgets.GTRecipeWidget;
 import com.gregtechceu.gtceu.utils.GTMath;
 
 import com.lowdragmc.lowdraglib.gui.texture.ProgressTexture;

src/main/java/com/gregtechceu/gtceu/api/capability/recipe/ItemRecipeCapability.java

@@ -23,11 +23,11 @@
 import com.gregtechceu.gtceu.core.mixins.IngredientAccessor;
 import com.gregtechceu.gtceu.core.mixins.TagValueAccessor;
 import com.gregtechceu.gtceu.core.mixins.forge.IntersectionIngredientAccessor;
-import com.gregtechceu.gtceu.integration.xei.entry.item.ItemEntryList;
-import com.gregtechceu.gtceu.integration.xei.entry.item.ItemStackList;
-import com.gregtechceu.gtceu.integration.xei.entry.item.ItemTagList;
-import com.gregtechceu.gtceu.integration.xei.handlers.item.CycleItemEntryHandler;
-import com.gregtechceu.gtceu.integration.xei.widgets.GTRecipeWidget;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.item.ItemEntryList;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.item.ItemStackList;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.item.ItemTagList;
+import com.gregtechceu.gtceu.integration.recipeviewer.handlers.item.CycleItemEntryHandler;
+import com.gregtechceu.gtceu.integration.recipeviewer.widgets.GTRecipeWidget;
 import com.gregtechceu.gtceu.utils.*;
 
 import com.lowdragmc.lowdraglib.gui.widget.Widget;

src/main/java/com/gregtechceu/gtceu/api/data/tag/TagPrefix.java

@@ -23,7 +23,7 @@
 import com.gregtechceu.gtceu.config.ConfigHolder;
 import com.gregtechceu.gtceu.data.recipe.CustomTags;
 import com.gregtechceu.gtceu.integration.kjs.GTRegistryInfo;
-import com.gregtechceu.gtceu.integration.xei.widgets.GTOreByProduct;
+import com.gregtechceu.gtceu.integration.recipeviewer.widgets.GTOreByProduct;
 import com.gregtechceu.gtceu.utils.FormattingUtil;
 import com.gregtechceu.gtceu.utils.memoization.GTMemoizer;
 

src/main/java/com/gregtechceu/gtceu/api/gui/widget/PatternPreviewWidget.java

@@ -10,7 +10,7 @@
 import com.gregtechceu.gtceu.api.pattern.TraceabilityPredicate;
 import com.gregtechceu.gtceu.api.pattern.predicates.SimplePredicate;
 import com.gregtechceu.gtceu.config.ConfigHolder;
-import com.gregtechceu.gtceu.integration.xei.handlers.item.CycleItemEntryHandler;
+import com.gregtechceu.gtceu.integration.recipeviewer.handlers.item.CycleItemEntryHandler;
 
 import com.lowdragmc.lowdraglib.client.scene.WorldSceneRenderer;
 import com.lowdragmc.lowdraglib.client.utils.RenderUtils;

src/main/java/com/gregtechceu/gtceu/api/gui/widget/SlotWidget.java

@@ -1,10 +1,10 @@
 package com.gregtechceu.gtceu.api.gui.widget;
 
 import com.gregtechceu.gtceu.GTCEu;
-import com.gregtechceu.gtceu.integration.xei.entry.item.ItemEntryList;
-import com.gregtechceu.gtceu.integration.xei.entry.item.ItemStackList;
-import com.gregtechceu.gtceu.integration.xei.entry.item.ItemTagList;
-import com.gregtechceu.gtceu.integration.xei.handlers.item.CycleItemEntryHandler;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.item.ItemEntryList;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.item.ItemStackList;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.item.ItemTagList;
+import com.gregtechceu.gtceu.integration.recipeviewer.handlers.item.CycleItemEntryHandler;
 
 import com.lowdragmc.lowdraglib.gui.editor.annotation.LDLRegister;
 import com.lowdragmc.lowdraglib.gui.editor.configurator.ConfiguratorGroup;

src/main/java/com/gregtechceu/gtceu/api/gui/widget/TankWidget.java

@@ -4,10 +4,10 @@
 import com.gregtechceu.gtceu.api.machine.trait.NotifiableFluidTank;
 import com.gregtechceu.gtceu.api.transfer.fluid.IFluidHandlerModifiable;
 import com.gregtechceu.gtceu.client.TooltipsHandler;
-import com.gregtechceu.gtceu.integration.xei.entry.fluid.FluidEntryList;
-import com.gregtechceu.gtceu.integration.xei.entry.fluid.FluidStackList;
-import com.gregtechceu.gtceu.integration.xei.entry.fluid.FluidTagList;
-import com.gregtechceu.gtceu.integration.xei.handlers.fluid.CycleFluidEntryHandler;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.fluid.FluidEntryList;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.fluid.FluidStackList;
+import com.gregtechceu.gtceu.integration.recipeviewer.entry.fluid.FluidTagList;
+import com.gregtechceu.gtceu.integration.recipeviewer.handlers.fluid.CycleFluidEntryHandler;
 import com.gregtechceu.gtceu.utils.FormattingUtil;
 import com.gregtechceu.gtceu.utils.GTUtil;
 

src/main/java/com/gregtechceu/gtceu/api/machine/steam/SteamBoilerMachine.java

@@ -11,6 +11,7 @@
 import com.gregtechceu.gtceu.api.mui.base.drawable.IKey;
 import com.gregtechceu.gtceu.api.mui.drawable.UITexture;
 import com.gregtechceu.gtceu.api.mui.factory.PosGuiData;
+import com.gregtechceu.gtceu.api.mui.value.sync.DoubleSyncValue;
 import com.gregtechceu.gtceu.api.mui.value.sync.FluidSlotSyncHandler;
 import com.gregtechceu.gtceu.api.mui.value.sync.PanelSyncManager;
 import com.gregtechceu.gtceu.api.mui.widgets.ProgressWidget;
@@ -327,6 +328,9 @@ public ModularPanel buildUI(PosGuiData data, PanelSyncManager syncManager, UISet
         UITexture progressTexture = isHighPressure() ? GTGuiTextures.PROGRESS_BAR_BOILER_EMPTY_STEEL :
                 GTGuiTextures.PROGRESS_BAR_BOILER_EMPTY_BRONZE;
 
+        DoubleSyncValue tempPercentage = syncManager.getOrCreateSyncHandler("tempPercentage", DoubleSyncValue.class,
+                () -> new DoubleSyncValue(this::getTemperaturePercent));
+
         panel.child(new Row()
                 .top(12)
                 .left(50)
@@ -347,7 +351,7 @@ public ModularPanel buildUI(PosGuiData data, PanelSyncManager syncManager, UISet
                         .texture(progressTexture,
                                 GTGuiTextures.PROGRESS_BAR_BOILER_HEAT, 54)
                         .size(14, 54)
-                        .progress(this::getTemperaturePercent)
+                        .value(tempPercentage)
                         .direction(ProgressWidget.Direction.UP)
                         .tooltipAutoUpdate(true)
                         .tooltipBuilder((r) -> r.addLine(IKey

src/main/java/com/gregtechceu/gtceu/api/mui/base/IPanelHandler.java

@@ -20,7 +20,8 @@
  * With the difference, that the method from this interface also works on server
  * side.
  * </p>
- * Synced panels must be created with {@link PanelSyncManager#panel(String, PanelSyncHandler.IPanelBuilder, boolean)}.
+ * Synced panels must be created with
+ * {@link PanelSyncManager#syncedPanel(String, boolean, PanelSyncHandler.IPanelBuilder)}.
  * If the panel does not contain any synced widgets, a simple panel handler using
  * {@link #simple(ModularPanel, SecondaryPanel.IPanelBuilder, boolean)}
  * is likely what you need.

src/main/java/com/gregtechceu/gtceu/api/mui/base/IUIHolder.java

@@ -27,8 +27,8 @@ public interface IUIHolder<T extends GuiData> {
     @OnlyIn(Dist.CLIENT)
     default ModularScreen createScreen(T data, ModularPanel mainPanel) {
         GTCEu.LOGGER
-                .warn("IGuiHolder.createScreen() should be overridden to pass your own mod id to the ModularScreen. " +
-                        "In future versions this method must be overridden or else it will crash!");
+                .warn("IGuiHolder.createScreen() should be overridden to pass your own mod id to the ModularScreen." +
+                        " In future versions this method must be overridden or else it will crash!");
         return new ModularScreen(GTCEu.MOD_ID, mainPanel);
     }
 

src/main/java/com/gregtechceu/gtceu/api/mui/base/XeiSettings.java → src/main/java/com/gregtechceu/gtceu/api/mui/base/RecipeViewerSettings.java

@@ -3,7 +3,7 @@
 import com.gregtechceu.gtceu.api.mui.base.widget.IWidget;
 import com.gregtechceu.gtceu.api.mui.utils.Rectangle;
 import com.gregtechceu.gtceu.client.mui.screen.ModularScreen;
-import com.gregtechceu.gtceu.integration.xei.handlers.GhostIngredientSlot;
+import com.gregtechceu.gtceu.integration.recipeviewer.handlers.GhostIngredientSlot;
 
 import org.jetbrains.annotations.ApiStatus;
 
@@ -13,33 +13,33 @@
  * This class can be safely interacted with even when JEI/HEI is not installed.
  */
 @ApiStatus.NonExtendable
-public interface XeiSettings {
+public interface RecipeViewerSettings {
 
     /**
-     * Force XEI to be enabled
+     * Force recipe viewer to be enabled
      */
-    void forceEnabled();
+    void enable();
 
     /**
-     * Force XEI to be disabled
+     * Force recipe viewer to be disabled
      */
-    void forceDisabled();
+    void disable();
 
     /**
-     * Only enabled XEI in synced GUIs
+     * Only enable the recipe viewer in synced GUIs
      */
-    void defaultXei();
+    void defaultState();
 
     /**
-     * Checks if XEI is enabled for a given screen
+     * Checks if the recipe viewer is enabled for a given screen
      *
      * @param screen modular screen
-     * @return true if xei is enabled
+     * @return true if the recipe viewer is enabled
      */
     boolean isEnabled(ModularScreen screen);
 
     /**
-     * Adds an exclusion zone. XEI will always try to avoid exclusion zones. <br>
+     * Adds an exclusion zone. Recipe viewers will always try to avoid exclusion zones. <br>
      * <b>If a widgets wishes to have an exclusion zone it should use {@link #addExclusionArea(IWidget)}!</b>
      *
      * @param area exclusion area
@@ -54,7 +54,7 @@ public interface XeiSettings {
     void removeExclusionArea(Rectangle area);
 
     /**
-     * Adds an exclusion zone of a widget. XEI will always try to avoid exclusion zones. <br>
+     * Adds an exclusion zone of a widget. Recipe viewers will always try to avoid exclusion zones. <br>
      * Useful when a widget is outside its panel.
      *
      * @param area widget
@@ -69,32 +69,32 @@ public interface XeiSettings {
     void removeExclusionArea(IWidget area);
 
     /**
-     * Adds a XEI ghost slot. Ghost slots can display an ingredient, but the ingredient does not really exist.
-     * By calling this method users will be able to drag ingredients from JEI into the slot.
+     * Adds a recipe viewer ghost slot. Ghost slots can display an ingredient, but the ingredient does not really exist.
+     * By calling this method users will be able to drag ingredients from recipe viewers into the slot.
      *
      * @param slot slot widget
      * @param <W>  slot widget type
      */
     <W extends IWidget & GhostIngredientSlot<?>> void addGhostIngredientSlot(W slot);
 
     /**
-     * Removes a XEI ghost slot.
+     * Removes a recipe viewer ghost slot.
      *
      * @param slot slot widget
      * @param <W>  slot widget type
      */
     <W extends IWidget & GhostIngredientSlot<?>> void removeGhostIngredientSlot(W slot);
 
-    XeiSettings DUMMY = new XeiSettings() {
+    RecipeViewerSettings DUMMY = new RecipeViewerSettings() {
 
         @Override
-        public void forceEnabled() {}
+        public void enable() {}
 
         @Override
-        public void forceDisabled() {}
+        public void disable() {}
 
         @Override
-        public void defaultXei() {}
+        public void defaultState() {}
 
         @Override
         public boolean isEnabled(ModularScreen screen) {

src/main/java/com/gregtechceu/gtceu/api/mui/base/layout/IViewport.java

@@ -9,7 +9,7 @@
 /**
  * A gui element which can transform its children f.e. a scrollable list.
  */
-public interface IViewport {
+public interface IViewport extends IWidget {
 
     /**
      * Apply shifts of this viewport.
@@ -26,7 +26,11 @@ default void transformChildren(IViewportStack stack) {}
      * @param x       x position
      * @param y       y position
      */
-    void getWidgetsAt(IViewportStack stack, HoveredWidgetList widgets, int x, int y);
+    default void getWidgetsAt(IViewportStack stack, HoveredWidgetList widgets, int x, int y) {
+        if (hasChildren()) {
+            getChildrenAt(this, stack, widgets, x, y);
+        }
+    }
 
     /**
      * Gathers all children at a position. Transformations from this viewport are not applied.
@@ -37,7 +41,11 @@ default void transformChildren(IViewportStack stack) {}
      * @param x       x position
      * @param y       y position
      */
-    default void getSelfAt(IViewportStack stack, HoveredWidgetList widgets, int x, int y) {}
+    default void getSelfAt(IViewportStack stack, HoveredWidgetList widgets, int x, int y) {
+        if (isInside(stack, x, y)) {
+            widgets.add(this, stack, getAdditionalHoverInfo(stack, x, y));
+        }
+    }
 
     /**
      * Called during drawing twice (before children are drawn). Once with transformation of this viewport and once
@@ -73,7 +81,7 @@ static void getChildrenAt(IWidget parent, IViewportStack stack, HoveredWidgetLis
                 stack.pushMatrix();
                 child.transform(stack);
                 if (child.isInside(stack, x, y)) {
-                    widgetList.add(child, stack.peek(), child.getAdditionalHoverInfo(stack, x, y));
+                    widgetList.add(child, stack, child.getAdditionalHoverInfo(stack, x, y));
                 }
                 if (child.hasChildren()) {
                     getChildrenAt(child, stack, widgetList, x, y);
@@ -119,6 +127,4 @@ static boolean forEachChild(IViewportStack stack, IWidget parent, Predicate<IWid
         }
         return true;
     }
-
-    IViewport EMPTY = (viewports, widgets, x, y) -> {};
 }

src/main/java/com/gregtechceu/gtceu/api/mui/base/layout/IViewportStack.java

@@ -4,6 +4,7 @@
 import com.gregtechceu.gtceu.client.mui.screen.viewport.TransformationMatrix;
 
 import com.mojang.blaze3d.vertex.PoseStack;
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.Nullable;
 import org.joml.Matrix4f;
 import org.joml.Vector3f;
@@ -12,6 +13,7 @@
  * This handles all viewports in a GUI. Also keeps track of a matrix stack used for rendering and
  * user interaction.
  */
+@ApiStatus.NonExtendable
 public interface IViewportStack {
 
     /**

src/main/java/com/gregtechceu/gtceu/api/mui/base/widget/IDraggable.java

@@ -1,8 +1,6 @@
 package com.gregtechceu.gtceu.api.mui.base.widget;
 
-import com.gregtechceu.gtceu.api.mui.base.layout.IViewport;
 import com.gregtechceu.gtceu.api.mui.base.layout.IViewportStack;
-import com.gregtechceu.gtceu.api.mui.utils.HoveredWidgetList;
 import com.gregtechceu.gtceu.api.mui.widget.DraggableWidget;
 import com.gregtechceu.gtceu.api.mui.widget.WidgetTree;
 import com.gregtechceu.gtceu.api.mui.widget.sizer.Area;
@@ -18,12 +16,13 @@
  *
  * @see DraggableWidget
  */
-public interface IDraggable extends IViewport {
+public interface IDraggable {
 
     /**
      * Gets called every frame after everything else is rendered.
      * Is only called when {@link #isMoving()} is true.
-     * Translate to the mouse pos and draw with {@link WidgetTree#drawTree(IWidget, ModularGuiContext)}.
+     * Translate to the mouse pos and draw with
+     * {@link WidgetTree#drawTree(IWidget, ModularGuiContext, boolean, boolean)}.
      *
      * @param graphics
      * @param partialTicks difference from last from
@@ -66,7 +65,4 @@ default boolean canDropHere(int x, int y, @Nullable IWidget widget) {
     void setMoving(boolean moving);
 
     void transform(IViewportStack viewportStack);
-
-    @Override
-    default void getWidgetsAt(IViewportStack stack, HoveredWidgetList widgets, int x, int y) {}
 }